What is the Least Common Multiple of 66140 and 66156?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 66140 and 66156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66140 and 66156, than apply into the LCM equation.

GCF(66140,66156) = 4
LCM(66140,66156) = ( 66140 × 66156) / 4
LCM(66140,66156) = 4375557840 / 4
LCM(66140,66156) = 1093889460

Least Common Multiple (LCM) of 66140 and 66156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66140 and 66156. First we will calculate the prime factors of 66140 and 66156.

Prime Factorization of 66140

Prime Factorization of 66156

Now multiplying the highest exponent prime factors to calculate the LCM of 66140 and 66156.

LCM(66140,66156) = 2² × 5¹ × 3307¹ × 3¹ × 37¹ × 149¹
LCM(66140,66156) = 1093889460